Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752069AbaJAOxk (ORCPT ); Wed, 1 Oct 2014 10:53:40 -0400 Received: from top.free-electrons.com ([176.31.233.9]:35352 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751873AbaJAOxd (ORCPT ); Wed, 1 Oct 2014 10:53:33 -0400 From: Boris Brezillon To: David Airlie , dri-devel@lists.freedesktop.org, Nicolas Ferre , Jean-Christophe Plagniol-Villard , Alexandre Belloni , Andrew Victor , Samuel Ortiz , Lee Jones , Thierry Reding , linux-pwm@vger.kernel.org, Rob Clark Cc: linux-arm-kernel@lists.infradead.org, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Yao , Boris BREZILLON Subject: [PATCH v7 02/11] mfd: add documentation for atmel-hlcdc DT bindings Date: Wed, 1 Oct 2014 16:52:59 +0200 Message-Id: <1412175188-28278-3-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1412175188-28278-1-git-send-email-boris.brezillon@free-electrons.com> References: <1412175188-28278-1-git-send-email-boris.brezillon@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Boris BREZILLON The HLCDC IP available on some Atmel SoCs (i.e. at91sam9n12, at91sam9x5 family or sama5d3 family) exposes 2 subdevices: - a display controller (controlled by a DRM driver) - a PWM chip This patch adds documentation for atmel-hlcdc DT bindings. Signed-off-by: Boris Brezillon Tested-by: Anthony Harivel Tested-by: Ludovic Desroches --- .../devicetree/bindings/mfd/atmel-hlcdc.txt | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt diff --git a/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt b/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt new file mode 100644 index 0000000..f64de95a --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt @@ -0,0 +1,51 @@ +Device-Tree bindings for Atmel's HLCDC (High LCD Controller) MFD driver + +Required properties: + - compatible: value should be one of the following: + "atmel,sama5d3-hlcdc" + - reg: base address and size of the HLCDC device registers. + - clock-names: the name of the 3 clocks requested by the HLCDC device. + Should contain "periph_clk", "sys_clk" and "slow_clk". + - clocks: should contain the 3 clocks requested by the HLCDC device. + - interrupts: should contain the description of the HLCDC interrupt line + +The HLCDC IP exposes two subdevices: + - a PWM chip: see ../pwm/atmel-hlcdc-pwm.txt + - a Display Controller: see ../drm/atmel-hlcdc-dc.txt + +Example: + + hlcdc: hlcdc@f0030000 { + compatible = "atmel,sama5d3-hlcdc"; + reg = <0xf0030000 0x2000>; + clocks = <&lcdc_clk>, <&lcdck>, <&clk32k>; + clock-names = "periph_clk","sys_clk", "slow_clk"; + interrupts = <36 IRQ_TYPE_LEVEL_HIGH 0>; + status = "disabled"; + + hlcdc-display-controller { + compatible = "atmel,hlcdc-display-controller"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb888>; + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + + hlcdc_panel_output: endpoint@0 { + reg = <0>; + remote-endpoint = <&panel_input>; + }; + }; + }; + + hlcdc_pwm: hlcdc-pwm { + compatible = "atmel,hlcdc-pwm"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lcd_pwm>; + #pwm-cells = <3>; + }; + }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/